Technical Data Sheet - CertainTeed

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Technical Data Sheet WinterGuard HT Waterproofing Underlayment WinterGuard Sand Waterproofing Shingle Underlayment WinterGuard Granular Waterproofing Shingle Underlayment NOTE: Reference to WinterGuard without specific reference to HT, Sand or Granular relates to all three products. PRODUCT INFORMATION WinterGuard products are most commonly used in critical areas such as roof eaves , valleys, and as a waterproofing underlayment for low-slope shingle, metal (HT only), slate, and mechanically-fastened tile roofing applications.

WinterGuard products are most commonly used in critical areas such as roof eaves, valleys, and as a waterproofing underlayment for low-slope shingle, metal (HT only), slate, and mechanically-fastened tile roofing applications. WinterGuard HT (High …

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